Featrues 1. The stud finder can accurately and quickly find edges and center of metal, wood, studs, joists, pipes, live AC wire behind walls, floors and ceilings. 2. Fast detection saves users time and effort, making the task completion easier. No matter professionals, homeowner and DIY enthusiasts, it must be an ultimate choice. 3. The 5-in-1 mode provides users with more detection needs. 4. This stud finder comes with large LCD display and sound alarm, which can detect the exact location of the objects. 5. This stud detector quickly locates wood, metal and AC wires hidden in the walls, floors and ceilings of the house. It can work on different wall surfaces, such as lath, wallpaper wood flooring, acoustic ceiling, painted walls, etc. helping you avoid danger when mounting TVs, cabinets, garage racks, etc. Specification Certification: CE Color: Black, Yellow Size: 15.2×6.2×2.8cm / 6×2.4×1.1in Weight: 168g Battery: 9V, 6F22 (Not Included) Package Include: 1× Detector